What is the Front Side Bus (or FSB) in my computer?

If you’ve ever wondered how the data is moved about inside your computer between its DRAM, processor, graphics controller and the chipset, then you’ll need to know about the Front Side Bus, which is the primary highway along which data travels.

It is often referred to as the FSB and is usually referred to in relation to its speed (measured in megahertz) and its width (measured in bits). Without your FSB, data would never get to your system’s RAM, HDD or any other of its vital internal components.

Lifetime Warranty

All OFFTEK memory is backed by our full lifetime warranty. We obsess over our products so you do not have to. Our team constantly strive to ensure that all our memory is of the highest quality but should you ever have any issues with your purchase you have the peace of mind that you can return your product for a replacement if the need arises.

Top Brands

We have close relationships with all of the top tier RAM memory manufacturers which enables us to provide a constant supply of the highest quality products. This in effect means compatible, reliable RAM and most importantly great prices, all backed by a limited lifetime warranty. If you require a specific brand of memory then please do not hesitate to contact one of our sales team.

Guaranteed Compatibility

Over the years we have taken immense care in creating one of the most in depth memory configurators. We do this to ensure that when you purchase a memory upgrade from OFFTEK you are confident that the upgrade is 100% compatible with your system.
Should you have any questions prior to ordering your upgrade we have technicians on hand via live chat, email or phone who will be able to answer any queries you may have.

We take the time to look into each machine to ensure that we offer all sizes and speeds that the machine is able to take not just the latest specification that has been released. We believe that offering all options for machines provides a 100% guarantee that the memory with function with your original memory module efficiently.

The History of eMachines

The brand known as eMachines was not around for long when compared to established industry names like IBM and Dell, as the company was founded in 1998 in the US. The enterprise had financial backing from multiple investors including South Korean Monitor makers Korea Data Systems and TriGem, a Korean computer manufacturer.

Located in Irvine, California, eMachines produced a line of economy PCs and employed over 130 staff. Whilst not a giant in the industry, the company still produced 1-2 million machines each year, which retailed between $399 and $999 and incidentally came without a monitor.

Cornering The Low Cost MarketThe economy end of the market was the eMachines forte at the time, as their machines were at least $200-$300 cheaper than their closest competitor, which resonated with consumers looking for a bargain. This resulted in eMachines becoming ubiquitous in the computer retail world and commonplace on retail shelves across the US, but what it also did was spark off a price war between themselves and other major manufacturers that included Compaq, HP and Packard Bell.

The Dot Com BoomBy the early months of 2000, the Dot Com Boom was in full effect and in order to maximise their earning potential, eMachines floated on the stock exchange with an initial share price of $9. However, this proved to be a mistake and the company soon began to hemorrhage money, leading to a stock price of a measly 14 cents within 12 months. eMachines regained its private status shortly after.The T6000In late 2003, eMachines launched the T6000 PC, which was cited as the first mass-produced AMD Athlon 64 system, retailing at $1150. eMachines also sold M6000 notebooks another Athlon 64 system both of which were marketed and sold through retail giant Best Buy and online

2004The enterprise was bought lock, stock and barrel in 2004 by industry rival Gateway Computers, which itself was bought out by Taiwanese giant Acer a few years later. The purchase cost Gateway the princely sum of $262m and turned Wayne Inouye, then CEO of eMachines into the CEO of Gateway as part of the deal.

Despite the sale, the eMachines brand remained however until the company ceased operations entirely in the early part of 2013, a fact that was announced by Jerry Kao, Associate VP of Acer at the 2013 Consumer Electronics Show (CES 2013).

Ceased OperationseMachines were only in existence for 5 years, but they played their part in making home computers more accessible and affordable for everyone.

Machines may be pre-configured with PC3200 or PC2700 modules. Please note that when mixing the two speeds that modules will always run at the lowest speed that is installed.

If you are looking to place a quantity order or are buying on behalf of the public or private sector then please contact one of our designated account managers who will be able to deal with your requirements in more detail.

Unsure on your current memory specification or looking to purchase in quantity?

For any queries you may have please contact one of our experienced Memory Specialists via one of the following methods and they will ensure that any issue is resolved immediately and effectively.

Request a Callback

Company Name(if Applicable)

First Name

Last Name

Contact Number

Email Address

Why buy from offtek

Matched Ram upgrades for your specific model

Offtek provides matched upgrades for new and legacy machines. Every one of our RAM modules are tested to ensure that not only are they compatible with the machine but also that they perform in a wide range of different environmental conditions. This allows us to back our modules with a limited lifetime warranty.

Established in 1996, OFFTEK is trusted by many of the UK's best known household names as their number ONE source for ram upgrades.

Misson critical or movie night we have your upgrade sorted

Our team is made up of memory specialists with an average of 9 years experience in the RAM industry. We offer upgrades for not only the latest machines on the market but just as important those legacy machines that you need to keep running.

RAM is extremely important in ensuring your machine operates at its optimum performance. Our upgrades ensure that your computer will be performing at its best for years to come.

Fast Free UK Delivery

We offer FAST FREE UK Delivery on all orders with 96% of orders dispatched same day. For those that cannot wait we also offer faster delivery options including next day.

60 Day Money Back Guarantee

Not 100% happy with your order then return it to us under our No Quibble 60 Day Money Back Guarantee. Worried you might have made the wrong choice? With our no quibble return policy you can send it back to us and get a full refund up to 60 days after you've received your order. Whether you've picked the wrong product or just changed your mind you can send your order back to us and you'll get all your money back.

Twice Daily Price Checks

Our Price Promise commitment means that you can buy from us with confidence.

Our team works hard to ensure that you not only have peace of mind in the fact that the memory you order is 100% compatible but that our price is also the lowest for that product.

We check our prices daily against all our competitors to ensure that you are getting the best deal.

Experts On Hand

We have dedicated and highly trained experts with an average of 7 years experience. They are here to help you from purchase through to installation. We use a number of contact methods so you can speak to one of our specialists with ease.

Limited Lifetime Warranty

Feel confident that your memory will last a lifetime. Our limited lifetime warranty guarantees that if your memory should ever fail we will replace or repair the product free of charge provided that it is still manufactured. Please note that the lifetime warranty refers only to memory modules and not flash memory or storage products. Please see the individual 'product details' for warranties specific to each product.

100% Compatibility

Every memory product matched specifically to your machine is individually tested to guarantee reliability and 100% compatibility with your computer and operating system.

Online Since 1997

Offtek has been supplying memory online since 1997 with over 500,000 happy customers. Well, maybe the odd one does'nt like us ;)

We have always been passionate about providing our customers with the tools and information to update their systems in the simplest manner. Early in 1996 we took on the challenge to find the type of memory compatible with every computer ever built. Hence our first memory configurator was born. Our constant daily updates allow our customers to easily select the correct memory for their machines and that objective is as important today as it was when the idea was first broached across a kitchen table in central Birmingham

Large Stock Holding

As one the largest memory distributors in Europe, our large stock holding allows us to offer next day delivery on a wide range of products.

Environmentally Friendly

If you have no need for your old memory after you have upgraded to one of our larger/faster modules, we will recycle this for you free of charge under the WEEE directive.

The advantages of adding more Ram Memory

Installing a memory module is one of the simplest upgrades that can be done to a computer

There is no configuration, no sitting around waiting for things to update and backup. It is simply plug and play!By adding more Ram memory into you laptop, desktop or server you will be doing the following:

Improving the overall performance of the machine

Allowing for increased multitasking

Extending the life of the machine

Producing faster boot times

Increasing productivity

Decreasing latency in gaming

Adding memory is the easiest upgrade available for your machine for the best increase in performance. If you are unsure on how to upgrade your machine no problem take a look at our detailed guides on how to install your new Laptop or Desktop Memory upgrade.

Compatibility Guarantee

Guaranteed Compatibility

Over the years we have taken immense care in creating one of the most in depth memory configurators. We do this to ensure that when you purchase a memory upgrade from OFFTEK you are confident that the upgrade is 100% compatible with your system.
Should you have any questions prior to ordering your upgrade we have technicians on hand via live chat, email or phone who will be able to answer any queries you may have.

We take the time to look into each machine to ensure that we offer all sizes and speeds that the machine is able to take not just the latest specification that has been released. We believe that offering all options for machines provides a 100% guarantee that the memory with function with your original memory module efficiently.

Brands we Supply

Delivery Options

UK Delivery

Free UK Delivery (within 5 working days) £0.00

1st Class Delivery (within 1-2 working days) £0.95

Next Day (Before 1PM) £5.95

Next Day (Before 9AM) £15.50

Saturday Guaranteed £10.50

DHL Courier and same day delivery options are available on request.
More info

International Delivery

We now deliver to over 200 countries worldwide with DHL at incredibly low prices.